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(Equation 2)
where:
  RV is the volatile organic matter collection and recovery efficiency of the solvent recovery system during the compliance period, percent
  MVR is the mass of volatile organic matter recovered by the solvent recovery system during the compliance period, kg
  Voli is the volume of coating, i, used in the coating operation controlled by the solvent recovery system during the compliance period, liters
  Di is the density of coating, i, kg coating per liter coating
  CVi is the mass fraction of volatile organic matter for coating, i, kg volatile organic matter per kg coating
  Volj is the volume of thinner, j, used in the coating operation controlled by the solvent recovery system during the compliance period, liters
  Dj is the density of thinner, j, kg thinner per liter thinner
  Volk is the volume of cleaning material, k, used in the coating operation controlled by the solvent recovery system during the compliance period, liters
  Dk is the density of cleaning material, k, kg cleaning material per liter cleaning material
  m is the number of different coatings used in the coating operation controlled by the solvent recovery system during the compliance period
  n is the number of different thinners used in the coating operation controlled by the solvent recovery system during the compliance period
  p is the number of different cleaning materials used in the coating operation controlled by the solvent recovery system during the compliance period
NR 465.28(2)(g)7. 7. Calculate the mass of organic HAP emissions reduction for the coating operation controlled by the solvent recovery system during the compliance period, using the following equation:
(Equation 3)
where:
  HCSR is the mass of organic HAP emissions reduction for the coating operation controlled by the solvent recovery system using a liquid-liquid material balance during the compliance period, kg
  AI is the total mass of organic HAP in the coatings used in the coating operation controlled by the solvent recovery system, kg, calculated using Equation 1A in par. (f)
  BI is the total mass of organic HAP in the thinners used in the coating operation controlled by the solvent recovery system, kg, calculated using Equation 1B in par. (f)
  CI is the total mass of organic HAP in the cleaning materials used in the coating operation controlled by the solvent recovery system, kg, calculated using Equation 1C in par. (f)
  RV is the volatile organic matter collection and recovery efficiency of the solvent recovery system, percent, from Equation 2 in subd. 6.
NR 465.28(2)(h) (h) Determine the total volume of coating solids used, liters, which is the combined volume of coating solids for all the coatings used during the compliance period, using Equation 2 in s. NR 465.27 (2) (f).
NR 465.28(2)(i) (i) Determine the organic HAP emission rate to the atmosphere, kg organic HAP per liter coating solids used during the compliance period, using the following equation:
(Equation 4)
where:
  HHAP is the organic HAP emission rate to the atmosphere during the compliance period, kg organic HAP per liter coating solids used
  He is the total mass of organic HAP emissions before add-on controls from all the coatings, thinners and cleaning materials used during the compliance period, kg, determined according to par. (d)
  HC,i is the total mass of organic HAP emissions reduction for controlled coating operation, i, during the compliance period, kg, from Equation 1 in par. (f)
  HCSR,j is the total mass of organic HAP emissions reduction for controlled coating operation, j, during the compliance period, kg, from Equation 3 in par. (g)
  Vst is the total volume of coating solids used during the compliance period, liters, from Equation 2 in s. NR 465.27 (2) (f)
  q is the number of controlled coating operations except those controlled with a solvent recovery system
  r is the number of coating operations controlled with a solvent recovery system
NR 465.28(2)(j) (j) Demonstrate initial compliance with the emission limit, by ensuring that the organic HAP emission rate calculated using Equation 4 in par. (i), is less than or equal to the applicable emission limit in s. NR 465.25 (3). Keep all records as required by s. NR 465.25 (3) and (4). As part of the notification of compliance status required by s. NR 465.25 (1), identify the coating operation or operations for which you used the emission rate with add-on controls option and submit a statement that the coating operation or operations was or were in compliance with the emission limitations during the initial compliance period because the organic HAP emission rate was less than or equal to the applicable emission limit in s. NR 465.23 (1), and you achieved the operating limits and the work practice standards required by s. NR 465.23 (3) and (4) respectively.
NR 465.28(4) (4)How do I demonstrate continuous compliance with the emission limitations?.
NR 465.28(4)(a)(a) To demonstrate continuous compliance with the applicable emission limit in s. NR 465.23 (1), the organic HAP emission rate for each compliance period determined according to the procedures in sub. (2) shall be equal to or less than the applicable emission limit in s. NR 465.23 (1). Each month following the initial compliance period described in sub. (1) is a compliance period.
NR 465.28(4)(b) (b) If the organic HAP emission rate for any compliance period exceeded the applicable emission limit in s. NR 465.23 (1), this is a deviation from the emission limitation for that compliance period and shall be reported as specified in s. NR 465.25 (1) (b) 6. and (2) (g).
NR 465.28(4)(c) (c) You shall demonstrate continuous compliance with each operating limit required by s. NR 465.23 (3) that applies to you as specified in Table 1 of this subchapter, and shall do the following as applicable:
NR 465.28(4)(c)1. 1. Report as a deviation from the operating limit, as specified in s. NR 465.25 (1) (b) 6. and (2) (g), if an operating parameter is out of the allowed range specified in Table 1 of this subchapter.
NR 465.28(4)(c)2. 2. If an operating parameter deviates from the operating limit specified in Table 1 of this subchapter, assume that the emission capture system and add-on control device were achieving zero efficiency during the time period of the deviation. For the purposes of completing the compliance calculations specified in sub. (2), treat the materials used during a deviation on a controlled coating operation as if they were used on an uncontrolled coating operation for the time period of the deviation. You may not include those materials in the calculation of organic HAP emissions reductions in Equation 1 in sub. (2) (f).
NR 465.28(4)(d) (d) You shall meet the requirements for bypass lines in sub. (9) (b). You shall report it as a deviation, as specified in s. NR 465.25 (1) (b) 6. and (2) (g), if any bypass line is opened and emissions are diverted to the atmosphere when the coating operation is running. For the purposes of completing the compliance calculations specified in sub. (2), you shall treat the materials used during a deviation on a controlled coating operation as if they were used on an uncontrolled coating operation for the time period of the deviation. You may not include those materials in the calculation of organic HAP emissions reductions in Equation 1 in sub. (2) (f).
NR 465.28(4)(e) (e) You shall demonstrate continuous compliance with the work practice standards in s. NR 465.23 (4). You shall report it as a deviation from the work practice standards, as specified in s. NR 465.25 (1) (b) 6. and (2) (g), if you did not develop a work practice plan, did not implement the plan, or you did not keep the records required by s. NR 465.25 (3) (k) 9.
NR 465.28(4)(f) (f) As part of each semiannual compliance report required in s. NR 465.25 (2), you shall submit a statement that you were in compliance with the emission limitations during the reporting period because the organic HAP emission rate for each compliance period was less than or equal to the applicable emission limit in s. NR 465.23 (1), and you achieved the operating limits and the work practice standards required by s. NR 465.23 (3) and (4), respectively, during each compliance period.
NR 465.28(4)(g) (g) During periods of startup, shutdown and malfunction of the emission capture system, add-on control device or coating operation that may affect emission capture or control device efficiency, you shall operate in accordance with the SSMP required by s. NR 465.24 (1) (d).
NR 465.28(4)(h) (h) Consistent with ss. NR 460.05 (4) and 460.06 (4) (a), deviations that occur during a period of startup, shutdown or malfunction of the emission capture system, add-on control device or coating operation that may affect emission capture or control device efficiency are not violations if you demonstrate to the department's satisfaction that you were operating in accordance with the SSMP. The department will determine whether deviations that occur during a period of startup, shutdown or malfunction are violations according to the provisions in s. NR 460.05 (4).
NR 465.28(4)(j) (j) You shall maintain records as specified in s. NR 465.25 (3) and (4).
NR 465.28(5) (5)What are the general requirements for performance tests?.
NR 465.28(5)(a)(a) You shall conduct each performance test required by sub. (1) according to the requirements in s. NR 460.06 (4) (a) and under the following conditions unless you obtain a waiver of the performance test according to the provisions in s. NR 460.06 (7):
NR 465.28(5)(a)1. 1. Representative operating conditions for the coating operation. Operations during periods of startup, shutdown or malfunction and periods of nonoperation do not constitute representative conditions. You shall record the process information that is necessary to document operating conditions during the test and explain why the conditions represent normal operation.
NR 465.28(5)(a)2. 2. When the emission capture system and add-on control device are operating at a representative flow rate, and the add-on control device is operating at a representative inlet concentration. You shall record information that is necessary to document emission capture system and add-on control device operating conditions during the test and explain why the conditions represent normal operation.
NR 465.28(5)(b) (b) You shall conduct each performance test of an emission capture system according to the requirements in sub. (6) and of an add-on control device according to the requirements in sub. (7).
NR 465.28(5)(c) (c) The performance test to determine add-on control device organic HAP destruction or removal efficiency shall consist of 3 runs as specified in s. NR 460.06 (4) (c) and each run shall last at least one hour.
NR 465.28(6) (6)How do I determine the emission capture system efficiency?. You shall use the following procedures and test methods to determine capture efficiency as part of the performance test required by sub. (1):
NR 465.28(6)(a) (a) You may assume the capture system efficiency is 100% if both of the following conditions are met:
NR 465.28(6)(a)1. 1. The capture system meets the criteria of Method 204 in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04 (9), for a PTE and directs all the exhaust gases from the enclosure to an add-on control device.
NR 465.28(6)(a)2. 2. All coatings, thinners and cleaning materials used in the coating operation are applied within the capture system; coating solvent flash-off and coating, curing and drying occurs within the capture system; and the removal or evaporation of cleaning materials from the surfaces they are applied to occurs within the capture system. For example, this criterion is not met if parts enter the open shop environment when being moved between a spray booth and a curing oven.
NR 465.28(6)(b) (b) If the capture system does not meet both of the criteria in par. (a), use one of the 3 protocols described in subds. 1. to 3. to measure capture efficiency. The capture efficiency measurements use TVH capture efficiency as a surrogate for organic HAP capture efficiency. For the protocols in subds. 1. and 2., the capture efficiency measurement shall consist of 3 test runs. Each test run shall be at least 3 hours duration or the length of a production run, whichever is longer, up to 8 hours. For the purposes of this test, a production run means the time required for a single part to go from the beginning to the end of production which includes surface preparation activities and drying or curing time. The protocols are as follows:
NR 465.28(6)(b)1. 1. `Liquid-to-uncaptured-gas protocol using a temporary total enclosure or building enclosure.' The liquid-to-uncaptured-gas protocol compares the mass of liquid TVH in materials used in the coating operation to the mass of TVH emissions not captured by the emission capture system. You shall use the following procedures to measure emission capture system efficiency using the liquid-to-uncaptured-gas protocol:
NR 465.28(6)(b)1.a. a. Either use a building enclosure or construct an enclosure around the coating operation where coatings, thinners and cleaning materials are applied, and all areas where emissions from these applied coatings and materials subsequently occur, such as flash-off, curing and drying areas. The areas of the coating operation where capture devices collect emissions for routing to an add-on control device, such as the entrance and exit areas of an oven or spray booth, shall also be inside the enclosure. The enclosure shall meet the applicable definition of a temporary total enclosure or building enclosure in Method 204 in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04 (9).
NR 465.28(6)(b)1.b. b. Use Method 204A or 204F in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04 (9), to determine the mass fraction of TVH liquid input from each coating, thinner and cleaning material used in the coating operation during each capture efficiency test run. To make the determination, substitute TVH for each occurrence of the term VOC in the methods.
NR 465.28(6)(b)1.c. c. Use the following equation to calculate the total mass of TVH liquid input from all the coatings, thinners and cleaning materials used in the coating operation during each capture efficiency test run:
(Equation 5)
where:
  TVHused is the total mass of TVH liquid input from all coatings, thinners and cleaning materials used in the coating operation during the capture efficiency test run, kg
  TVHi is the mass fraction of TVH in coating, thinner or cleaning material, i, that is used in the coating operation during the capture efficiency test run, kg TVH per kg material
  Voli is the total volume of coating, thinner or cleaning material, i, used in the coating operation during the capture efficiency test run, liters
  Di is the density of coating, thinner or cleaning material, i, kg material per liter material
  n is the number of different coatings, thinners and cleaning materials used in the coating operation during the capture efficiency test run
NR 465.28(6)(b)1.d. d. Use Method 204D or 204E in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04 (9), to measure the total mass, kg, of TVH emissions that are not captured by the emission capture system; they are measured as they exit the temporary total enclosure or building enclosure during each capture efficiency test run. To make the measurement substitute TVH for each occurrence of the term VOC in the methods. Use Method 204D if the enclosure is a temporary total enclosure. Use Method 204E if the enclosure is a building enclosure. During the capture efficiency measurement, all organic compound emitting operations inside a building enclosure, other than the coating operation for which capture efficiency is being determined, shall be shut down, but all fans and blowers shall be operating normally.
NR 465.28(6)(b)1.e. e. For each capture efficiency test run, determine the percent capture efficiency of the emission capture system, using the following equation:
(Equation 6)
where:
  CE is the capture efficiency of the emission capture system vented to the add-on control device, percent
  TVHused is the total mass of TVH liquid input used in the coating operation during the capture efficiency test run, kg
  TVHuncaptured is the total mass of TVH that is not captured by the emission capture system and that exits from the temporary total enclosure or building enclosure during the capture efficiency test run, kg
NR 465.28(6)(b)1.f. f. Determine the capture efficiency of the emission capture system as the average of the capture efficiencies measured in the 3 test runs.
NR 465.28(6)(b)2. 2. `Gas-to-gas protocol using a temporary total enclosure or a building enclosure.' The gas-to-gas protocol compares the mass of TVH emissions captured by the emission capture system to the mass of TVH emissions not captured. You shall use the following procedures to measure emission capture system efficiency using the gas-to-gas protocol.
NR 465.28(6)(b)2.a. a. Either use a building enclosure or construct an enclosure around the coating operation where coatings, thinners and cleaning materials are applied and all areas where emissions from these applied coatings and materials subsequently occur such as flash-off, curing and drying areas. The areas of the coating operation where capture devices collect emissions generated by the coating operation for routing to an add-on control device, such as the entrance and exit areas of an oven or a spray booth, shall also be inside the enclosure. The enclosure shall meet the applicable definition of a temporary total enclosure or building enclosure in Method 204 in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04 (9).
NR 465.28(6)(b)2.b. b. Use Method 204B or 204C in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04 (9), to measure the total mass, kg, of TVH emissions captured by the emission capture system during each capture efficiency test run as measured at the inlet to the add-on control device. To make the measurement, substitute TVH for each occurrence of the term VOC in the methods. The sampling points for the Method 204B or 204C measurement shall be upstream from the add-on control device and shall represent total emissions routed from the capture system and entering the add-on control device. If multiple emission streams from the capture system enter the add-on control device without a single common duct, the emissions entering the add-on control device shall be simultaneously measured in each duct, and the total emissions entering the add-on control device shall be determined.
NR 465.28(6)(b)2.c. c. Use Method 204D or 204E in 40 CFR part 51, Appendix M, incorporated by reference in s. NR 484.04 (9), to measure the total mass, kg, of TVH emissions that are not captured by the emission capture system; they are measured as they exit the temporary total enclosure or building enclosure during each capture efficiency test run. To make the measurement, substitute TVH for each occurrence of the term VOC in the methods. Use Method 204D if the enclosure is a temporary total enclosure. Use Method 204E if the enclosure is a building enclosure. During the capture efficiency measurement, all organic compound emitting operations inside the building enclosure other than the coating operation for which capture efficiency is being determined shall be shut down, but all fans and blowers shall be operating normally.
NR 465.28(6)(b)2.d. d. For each capture efficiency test run, determine the percent capture efficiency of the emission capture system, using the following equation:
(Equation 7)
where:
  CE is the capture efficiency of the emission capture system vented to the add-on control device, percent
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.